[clang] [clang][DependencyScanning] Track modules that resolve from "shared" locations (PR #130634)

[Cyndy Ishida via cfe-commits]

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@@ -739,6 +795,12 @@ ModuleDepCollectorPP::handleTopLevelModule(const Module *M) {
   MDC.ScanInstance.getASTReader()->visitInputFileInfos(
       *MF, /*IncludeSystem=*/true,
       [&](const serialization::InputFileInfo &IFI, bool IsSystem) {
+        if (MD.IsShareable) {
+          auto FullFilePath = ASTReader::ResolveImportedPath(
+              PathBuf, IFI.UnresolvedImportedFilename, MF->BaseDirectory);
+          MD.IsShareable = isPathInSharedDir(SharedDirs, *FullFilePath);
+          PathBuf.resize_for_overwrite(256);
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cyndyishida wrote:

I thought I was running into the assertion failure in `ResolveImportedPath`, but I can't reproduce it now.

https://github.com/llvm/llvm-project/pull/130634